setDTR

Set serial DTR pin

Syntax

setDTR(device,true)

setDTR(device,false)

Description

setDTR(device,true) sets the specified serial data terminal ready (DTR) pin.

setDTR(device,false) resets the specified serial DTR pin.

Examples

Set and Reset DTR Pin

Set and then reset the serial DTR pin.

device = serialport("COM3",9600);
 ⋮
setDTR(device,true)
 ⋮
setDTR(device,false)

Set and Reset DTR Pin Using VISA

Set and then reset the serial DTR pin using the VISA-Serial interface.

device = visadev("COM3");
 ⋮
setDTR(device,true)
 ⋮
setDTR(device,false)

Input Arguments

device — Serial port connection

serialport object | visadev object

Serial port, specified as a serialport object or visadev object.

Example: setDTR(device,true) sets the DTR pin for the serial port connection device.

Example: setDTR(device,true) sets the DTR pin for the VISA-Serial resource device.

Version History

Introduced in R2019b